[ARM] Remove compatibility layer for ARM irqs

set_irq_chipdata -> set_irq_chip_data
get_irq_chipdata -> get_irq_chip_data
do_level_IRQ -> handle_level_irq
do_edge_IRQ -> handle_edge_irq
do_simple_IRQ -> handle_simple_irq
irqdesc -> irq_desc
irqchip -> irq_chip

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 2c4ff1c..ec01f08 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -112,7 +112,7 @@
 asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
 {
 	struct pt_regs *old_regs = set_irq_regs(regs);
-	struct irqdesc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_desc + irq;
 
 	/*
 	 * Some hardware gives randomly wrong interrupts.  Rather
@@ -134,7 +134,7 @@
 
 void set_irq_flags(unsigned int irq, unsigned int iflags)
 {
-	struct irqdesc *desc;
+	struct irq_desc *desc;
 	unsigned long flags;
 
 	if (irq >= NR_IRQS) {
@@ -171,7 +171,7 @@
 
 #ifdef CONFIG_HOTPLUG_CPU
 
-static void route_irq(struct irqdesc *desc, unsigned int irq, unsigned int cpu)
+static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
 {
 	pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->cpu, cpu);
 
@@ -190,7 +190,7 @@
 	unsigned int i, cpu = smp_processor_id();
 
 	for (i = 0; i < NR_IRQS; i++) {
-		struct irqdesc *desc = irq_desc + i;
+		struct irq_desc *desc = irq_desc + i;
 
 		if (desc->cpu == cpu) {
 			unsigned int newcpu = any_online_cpu(desc->affinity);